000 00271nam a2200109Ia 4500
008 151015s9999 xx 000 0 und d
100 _aHopefn, H.J
245 _aFarm implements for Arid and tropical regions
260 _c1969
300 _aviii 151p.
942 _cFAO
_2udc
999 _c25158
_d25158